SKYLAB M&C Technology Co., Ltd SKW72- User Manual SKW72 User Manual General Description The module SKW72 compliant to 802.11 b/g/n Wi-Fi Solution for low power, low-cost, and highly integrated AP and consumer electronic devices, the module requiring only a external 3.3V power supply and connection to antenna. The module based on the single chip AR9331 which integrates an 802.11n 1x1 MAC/BB/radio with internal PA and LNA. It supports 802.11n operations up to 72 Mbps for 20 MHz and 150 Mbps for 40 MHz channel respectively, and IEEE 802.11b/g data rates. The module support AP mode and client mode and repeater mode and UART wifi. Applications AP WIFI UART WIFI Repeater WIFI Set Top Box Home Gateways Gaming Consoles DVR IP TV IP DVD(Internet VOD Player) Features Figure 1: SKW72 Top View Compliant to IEEE 802.11b/g/n 1x1WLANs DDR2 memory up to 512Mb 1 SKW72-UM-001,A/2 SKYLAB M&C Technology Co., Ltd SKW72- User Manual Flash memory up to 64Mb 4LAN ports and 1 WAN port Uart baud rate: 115200bps. USB 2.0 host device mode support Support AP/Client/Repeater mode Support UART to wifi transparent Security: WEP 64/128, WPA, WPA2, TKIP, AES, WAPI RoHS compliance meets environment-friendly requirement. 40.5(L) x 27.5(W) x 2.9(H) mm small dimension Ordering Information Module NO. SKW72_P8 SKW72_P8 Antenna Connector Type SPI Flash Size Pin Antenna Pin Antenna 8M Byte 8M Byte Antenna Type: PCB Pin antenna Antenna Gain: 1dBi Module Pinout 2 Figure 2: SKW72 Pin Package SKW72-UM-001,A/2 SKYLAB M&C Technology Co., Ltd SKW72- User Manual GROUND Antenna pin GROUND NC NC NC resets the firmware to its default configuration. Pin Description 1 GND 2 ANT 3 GND 4 NC 5 NC 6 NC 7 RESET_CONFIG
(UART_CTS) (GPIO_12) Active pulling up LED6 (GPIO_17) 8 9 LED5 (GPIO_16) 10 LED4 (GPIO_15) 11 LED3 (GPIO_14) 12 LED7(GPIO_27) 13 LED1 (GPIO_1) 14 LED2 (GPIO_13) 15 LED0 (GPIO_0) 16 UART_RX (SPI_CS1) 17 UART_TX (SPI_CS2) 18 GND 19 GND 20 WAN_PORT_RX+
21 WAN_PORT_RX-
22 WAN_PORT_TX+
23 WAN_PORT_TX-
24 LAN_PORT3_TX+
25 LAN_PORT3_TX-
26 LAN_PORT3_RX+
27 LAN_PORT3_RX-
28 LAN_PORT2_RX+
29 LAN_PORT2_RX-
30 LAN_PORT2_TX+
31 LAN_PORT2_TX-
32 LAN_PORT1_TX+
33 LAN_PORT1_TX-
34 LAN_PORT1_RX+
35 LAN_PORT1_RX-
36 GND WLAN LED LAN_PORT3_LED,be free for customer defined. LAN_PORT2_LED LAN_PORT1_LED SYSTEM LED USB LED LAN_PORT0_LED Wireless LED Serial data in Serial data out GROUND GROUND WAN port WAN port WAN port WAN port Ethernet port3 Ethernet port3 Ethernet port3 Ethernet port3 Ethernet port2 Ethernet port2 Ethernet port2 Ethernet port2 Ethernet port1 Ethernet port1 Ethernet port1 Ethernet port1 GROUND 3 SKW72-UM-001,A/2 SKYLAB M&C Technology Co., Ltd SKW72- User Manual 37 VDD_3.3V 38 VDD_3.3V 39 VDD_2.0V OUTPUT 40 GND 41 LAN_PORT0_RX+
42 LAN_PORT0_RX-
43 LAN_PORT0_TX+
44 LAN_PORT0_TX-
45 USB -
46 USB +
47 LED8(GPIO_26) 48 JUMPSTART
(UART_RTS) (GPIO_11) 49 GND Module Dimensions 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V 3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX 3.63V Power supply output for peripheral network transformer GROUND Ethernet port0 Ethernet port0 Ethernet port0 Ethernet port0 USB signal, carries USB data to and from the USB 2.0 PHY USB signal, carries USB data to and from the USB 2.0 PHY JMP_START LED KEY_INPUT to start WPS function. Active pulling up. GROUND Figure 3: SKW72 dimensions 4 SKW72-UM-001,A/2 SKYLAB M&C Technology Co., Ltd SKW72- User Manual Manufacturing Process Recommendations Figure 4: SKW72 Typical Leadfree Soldering Profile NoteThe final soldering temperature chosen at the factory depends on additional external factors like choice of soldering pastesizethickness and properties of the baseboardetc. Exceeding the maximum soldering temperature in the recommended soldering profile may permanently damage the module. FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
5 SKW72-UM-001,A/2 SKYLAB M&C Technology Co., Ltd SKW72- User Manual
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1)this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions (1)this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation FCC Radiation Exposure Statement The modular can be installed or integrated in mobile or fix devices only. This modular cannot be installed in any portable device, for example, USB dongle like transmitters is forbidden. This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co?located or operating in conjunction with any other antenna or transmitter. This modular must be installed and operated with a minimum distance of 20 cm between the radiator and user body. If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following:
Contains Transmitter Module FCC ID:2ACOE-SKW72 Or Contains FCC ID:2ACOE-SKW72 when the module is installed inside another device, the user manual of this device must contain below warning statements;
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The devices must be installed and used in strict accordance with the manufacturer's instructions as described in the user documentation that comes with the product CE Statement Manufacturer:Skylab M&C Technology Co.,Ltd., Hereby ,kylab M&C Technology Co.,Ltd.hereby declares that this WIFI module, SKW72 is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. 6 SKW72-UM-001,A/2